DOC: expand use of fun tag...

... and add other relevant tags to these examples

Author: rcomer

galleries/examples/animation/rain.py

@@ -72,3 +72,10 @@ def update(frame_number):
 # Construct the animation, using the update function as the animation director.
 animation = FuncAnimation(fig, update, interval=10, save_count=100)
 plt.show()
+
+# %%
+# .. tags::
+#
+#    component: animation
+#    plot-type: scatter
+#    purpose: fun

galleries/examples/animation/unchained.py

@@ -74,3 +74,10 @@ def update(*args):
 # Construct the animation, using the update function as the animation director.
 anim = animation.FuncAnimation(fig, update, interval=10, save_count=100)
 plt.show()
+
+# %%
+# .. tags::
+#
+#    component: animation
+#    plot-type: line
+#    purpose: fun

galleries/examples/event_handling/pong_sgskip.py

@@ -327,3 +327,10 @@ def start_anim(event):
 
 plt.show()
 print('FPS: %f' % (animation.cnt/(time.time() - tstart)))
+
+#
+# %%
+# .. tags::
+#
+#    interactivity: event-handling
+#    purpose: fun

galleries/examples/images_contours_and_fields/barcode_demo.py

@@ -45,3 +45,9 @@
 #
 #    - `matplotlib.axes.Axes.imshow` / `matplotlib.pyplot.imshow`
 #    - `matplotlib.figure.Figure.add_axes`
+#
+# .. tags::
+#
+#    component: axes
+#    plot-type: imshow
+#    purpose: fun

galleries/examples/shapes_and_collections/dolphin.py

@@ -119,3 +119,9 @@
 #    - `matplotlib.transforms`
 #    - `matplotlib.transforms.Affine2D`
 #    - `matplotlib.transforms.Affine2D.rotate_deg`
+#
+# .. tags::
+#
+#    component: patch
+#    styling: shape
+#    purpose: fun

galleries/examples/shapes_and_collections/donut.py

@@ -81,3 +81,9 @@ def make_circle(r):
 #    - `matplotlib.axes.Axes.set_xlim`
 #    - `matplotlib.axes.Axes.set_ylim`
 #    - `matplotlib.axes.Axes.set_title`
+#
+# .. tags::
+#
+#    component: patch
+#    styling: shape
+#    purpose: fun

galleries/examples/showcase/xkcd.py

@@ -62,3 +62,11 @@
         ha='center')
 
 plt.show()
+
+#
+# %%
+# .. tags::
+#
+#    plot-type: line
+#    plot-type: bar
+#    purpose: fun